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Esc e M <br />STATE OF COLORADO <br />DlYISION OF MINERALS AND GEOLOGY <br />Department of Natural Resources <br />7313 Sherman St., Room 275 <br />Denver, Colorado 80203 <br />Phone: (303) 86(x3567 <br />FAX: (303)8328106 <br />Apri14, 2006 ;/ ,/ <br />Mr. Rocky Hoffschneider " <br />Platte Sand & Gravel LLC <br />P.O. BOX '112 <br />Littleton, CO 80160 ~/"/ ~ <br />Re: S & H Mine, Permit No. M-2000-158, Technical Revision Approval, Revision No. TI2-4 <br />Dear Mr. Hotl'schneider: <br />COLORADO <br />DI YISION OF <br />MINERALS <br />GEOLOGY <br />EAEETY•SO ENCE <br />Bill Owens <br />Governor <br />Russell George <br />Executive Director <br />Ronald W. Cottony <br />Division Director <br />Natural Resource Trustee <br />On April 3, 2006 the Division of Minerals and Geology approved the Technical Revision application submitted to the <br />Division on Mazch 28, 2006, addressing the following: <br />Change the direction of mining and begin mining within the boundaries of the slurry wall with limited <br />dewatering allowed, (one acre) until the slurry wall is completed & QAQC approved by the Division. <br />The operator should be reminded that the total area of pit exposure of groundwater is set forth in the Temporary <br />Substitute Supply Plan (TSSP) administrated by [he Office of the State Engineer (OSE). Any changes to the TSSP from <br />this revision will also need to be addressed. <br />The terms of the Technical Revision No. 4 approved by the Division are hereby incorporated into Permit No. M-2000- <br />158. All other conditions and requirements of Permit No. M-2000-158 remain in full force and effect. <br />If you have any quesfions, please contact me at (303) 866943. <br />S' ere , <br />nca .Crosby <br />Environmental Protection Specialist <br />cc: Carl Mount; DMG <br />Steve O'Brian; Environment Inc. <br />Office of the State Engineer <br />Office of Office of Colorado <br />Mined Land Rxlamation Active and Inactive Mines Geological Survey <br />